Production on "Two and a Half Men," has halted as star Charlie Sheen has gone into rehab.

No word on what the embattled actor is doing rehab for.

Sheen's wife Brooke is also in rehab again for undisclosed reasons as the pair try to get charges dropped against Sheen over an incident two months when Sheen was arrested after a fight with his wife at their plush home in Aspen, Colo.

Sheen was later charged with felony menacing and misdemeanor charges of third-degree assault and criminal mischief. Sheen potentially faces three years in jail for the most serious charge which relates to the alleged use of a deadly weapon in a threatening manner.

Sheen's publicist Stan Rosenfield has pleaded for Sheen to be given some privacy.

In the meantime,Sheen's bosses at CBS are being supportive - so far - but "Two and a Half Men" is the anchor for their Monday night line-up bringing in nearly 18 million viewers for recent episodes.

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